151500055551 has 24 divisors (see below), whose sum is σ = 227407995696. Its totient is φ = 89177278080.

The previous prime is 151500055547. The next prime is 151500055559. The reversal of 151500055551 is 155550005151.

It is not a de Polignac number, because 151500055551 - 2² = 151500055547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151500055559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3651030 + ... + 3692291.

It is an arithmetic number, because the mean of its divisors is an integer number (9475333154).

Almost surely, 2^151500055551 is an apocalyptic number.

151500055551 is a deficient number, since it is larger than the sum of its proper divisors (75907940145).

151500055551 is a wasteful number, since it uses less digits than its factorization.

151500055551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343383 (or 7343360 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 151500055551 in words is "one hundred fifty-one billion, five hundred million, fifty-five thousand, five hundred fifty-one".