51151001616554 has 16 divisors (see below), whose sum is σ = 87938684736000. Its totient is φ = 21859044487344.

The previous prime is 51151001616551. The next prime is 51151001616563. The reversal of 51151001616554 is 45561610015115.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51151001616551) 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, 5234440634 + ... + 5234450405.

It is an arithmetic number, because the mean of its divisors is an integer number (5496167796000).

Almost surely, 2^{51151001616554} is an apocalyptic number.

51151001616554 is a deficient number, since it is larger than the sum of its proper divisors (36787683119446).

51151001616554 is a wasteful number, since it uses less digits than its factorization.

51151001616554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10468891397.

The product of its (nonzero) digits is 90000, while the sum is 41.

The spelling of 51151001616554 in words is "fifty-one trillion, one hundred fifty-one billion, one million, six hundred sixteen thousand, five hundred fifty-four".