155226932551 has 8 divisors (see below), whose sum is σ = 155628388800. Its totient is φ = 154825724928.

The previous prime is 155226932519. The next prime is 155226932557. The reversal of 155226932551 is 155239622551.

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 155226932551 - 2⁵ = 155226932519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155226932557) 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, 1222290 + ... + 1343296.

It is an arithmetic number, because the mean of its divisors is an integer number (19453548600).

Almost surely, 2^155226932551 is an apocalyptic number.

155226932551 is a deficient number, since it is larger than the sum of its proper divisors (401456249).

155226932551 is a wasteful number, since it uses less digits than its factorization.

155226932551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124313.

The product of its digits is 810000, while the sum is 46.

The spelling of 155226932551 in words is "one hundred fifty-five billion, two hundred twenty-six million, nine hundred thirty-two thousand, five hundred fifty-one".