151505505550644 has 48 divisors (see below), whose sum is σ = 404537339703168. Its totient is φ = 43231288203648.

The previous prime is 151505505550601. The next prime is 151505505550687. The reversal of 151505505550644 is 446055505505151.

It is an interprime number because it is at equal distance from previous prime (151505505550601) and next prime (151505505550687).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166582527 + ... + 1166712390.

It is an arithmetic number, because the mean of its divisors is an integer number (8427861243816).

Almost surely, 2^{151505505550644} is an apocalyptic number.

151505505550644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

151505505550644 is an abundant number, since it is smaller than the sum of its proper divisors (253031834152524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151505505550644 is a wasteful number, since it uses less digits than its factorization.

151505505550644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333295704 (or 2333295702 counting only the distinct ones).

The product of its (nonzero) digits is 7500000, while the sum is 51.

The spelling of 151505505550644 in words is "one hundred fifty-one trillion, five hundred five billion, five hundred five million, five hundred fifty thousand, six hundred forty-four".