51620000132451 has 16 divisors (see below), whose sum is σ = 69304898484224. Its totient is φ = 34174558956384.

The previous prime is 51620000132431. The next prime is 51620000132453. The reversal of 51620000132451 is 15423100002615.

It is not a de Polignac number, because 51620000132451 - 2³³ = 51611410197859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51620000132453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42063811 + ... + 43273596.

It is an arithmetic number, because the mean of its divisors is an integer number (4331556155264).

Almost surely, 2^{51620000132451} is an apocalyptic number.

51620000132451 is a deficient number, since it is larger than the sum of its proper divisors (17684898351773).

51620000132451 is a wasteful number, since it uses less digits than its factorization.

51620000132451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85338810.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 51620000132451 in words is "fifty-one trillion, six hundred twenty billion, one hundred thirty-two thousand, four hundred fifty-one".