51151657026 has 16 divisors (see below), whose sum is σ = 102351078144. Its totient is φ = 17042591664.

The previous prime is 51151657009. The next prime is 51151657027. The reversal of 51151657026 is 62075615115.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51151657027) 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, 1976241 + ... + 2001956.

It is an arithmetic number, because the mean of its divisors is an integer number (6396942384).

Almost surely, 2^51151657026 is an apocalyptic number.

51151657026 is an abundant number, since it is smaller than the sum of its proper divisors (51199421118).

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

51151657026 is a wasteful number, since it uses less digits than its factorization.

51151657026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980345.

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 51151657026 in words is "fifty-one billion, one hundred fifty-one million, six hundred fifty-seven thousand, twenty-six".