155457025355 has 4 divisors (see below), whose sum is σ = 186548430432. Its totient is φ = 124365620280.

The previous prime is 155457025327. The next prime is 155457025393. The reversal of 155457025355 is 553520754551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553520754551 = 41023 ⋅13492937.

It is not a de Polignac number, because 155457025355 - 2⁸ = 155457025099 is a prime.

It is a super-2 number, since 2×155457025355² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15545702531 + ... + 15545702540.

It is an arithmetic number, because the mean of its divisors is an integer number (46637107608).

Almost surely, 2^155457025355 is an apocalyptic number.

155457025355 is a deficient number, since it is larger than the sum of its proper divisors (31091405077).

155457025355 is an equidigital number, since it uses as much as digits as its factorization.

155457025355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31091405076.

The product of its (nonzero) digits is 2625000, while the sum is 47.

The spelling of 155457025355 in words is "one hundred fifty-five billion, four hundred fifty-seven million, twenty-five thousand, three hundred fifty-five".