155113315401 has 16 divisors (see below), whose sum is σ = 228710047680. Its totient is φ = 92720286720.

The previous prime is 155113315381. The next prime is 155113315417. The reversal of 155113315401 is 104513311551.

It is not a de Polignac number, because 155113315401 - 2⁵ = 155113315369 is a prime.

It is a super-2 number, since 2×155113315401² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155113315421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32192136 + ... + 32196953.

It is an arithmetic number, because the mean of its divisors is an integer number (14294377980).

Almost surely, 2^155113315401 is an apocalyptic number.

155113315401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155113315401 is a deficient number, since it is larger than the sum of its proper divisors (73596732279).

155113315401 is a wasteful number, since it uses less digits than its factorization.

155113315401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64389176.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 155113315401 its reverse (104513311551), we get a palindrome (259626626952).

The spelling of 155113315401 in words is "one hundred fifty-five billion, one hundred thirteen million, three hundred fifteen thousand, four hundred one".