155654546503361 has 4 divisors (see below), whose sum is σ = 162422135481792. Its totient is φ = 148886957524932.

The previous prime is 155654546503319. The next prime is 155654546503369. The reversal of 155654546503361 is 163305645456551.

155654546503361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155654546503361 - 2⁴⁶ = 85285802325697 is a prime.

It is a super-3 number, since 3×155654546503361³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155654546503361.

It is not an unprimeable number, because it can be changed into a prime (155654546503369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383794489181 + ... + 3383794489226.

It is an arithmetic number, because the mean of its divisors is an integer number (40605533870448).

Almost surely, 2^{155654546503361} is an apocalyptic number.

It is an amenable number.

155654546503361 is a deficient number, since it is larger than the sum of its proper divisors (6767588978431).

155654546503361 is an equidigital number, since it uses as much as digits as its factorization.

155654546503361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767588978430.

The product of its (nonzero) digits is 97200000, while the sum is 59.

The spelling of 155654546503361 in words is "one hundred fifty-five trillion, six hundred fifty-four billion, five hundred forty-six million, five hundred three thousand, three hundred sixty-one".