150121350553 has 4 divisors (see below), whose sum is σ = 150122533888. Its totient is φ = 150120167220.

The previous prime is 150121350539. The next prime is 150121350601. The reversal of 150121350553 is 355053121051.

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 150121350553 - 2¹³ = 150121342361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150121350503) 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, 374901 + ... + 663922.

It is an arithmetic number, because the mean of its divisors is an integer number (37530633472).

Almost surely, 2^150121350553 is an apocalyptic number.

It is an amenable number.

150121350553 is a deficient number, since it is larger than the sum of its proper divisors (1183335).

150121350553 is a wasteful number, since it uses less digits than its factorization.

150121350553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183334.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 150121350553 in words is "one hundred fifty billion, one hundred twenty-one million, three hundred fifty thousand, five hundred fifty-three".