155274625655551 has 8 divisors (see below), whose sum is σ = 155848094970704. Its totient is φ = 154701249226560.

The previous prime is 155274625655521. The next prime is 155274625655561. The reversal of 155274625655551 is 155556526472551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155274625655551 - 2⁵ = 155274625655519 is a prime.

It is a super-2 number, since 2×155274625655551² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155274625655521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19871145 + ... + 26559586.

It is an arithmetic number, because the mean of its divisors is an integer number (19481011871338).

Almost surely, 2^{155274625655551} is an apocalyptic number.

155274625655551 is a deficient number, since it is larger than the sum of its proper divisors (573469315153).

155274625655551 is a wasteful number, since it uses less digits than its factorization.

155274625655551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46443081.

The product of its digits is 315000000, while the sum is 64.

The spelling of 155274625655551 in words is "one hundred fifty-five trillion, two hundred seventy-four billion, six hundred twenty-five million, six hundred fifty-five thousand, five hundred fifty-one".