51061010099 has 12 divisors (see below), whose sum is σ = 56130936960. Its totient is φ = 46414117200.

The previous prime is 51061010071. The next prime is 51061010101. The reversal of 51061010099 is 99001016015.

It is a happy number.

It is not a de Polignac number, because 51061010099 - 2¹⁶ = 51060944563 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51061010599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1570094 + ... + 1602284.

It is an arithmetic number, because the mean of its divisors is an integer number (4677578080).

Almost surely, 2^51061010099 is an apocalyptic number.

51061010099 is a deficient number, since it is larger than the sum of its proper divisors (5069926861).

51061010099 is a wasteful number, since it uses less digits than its factorization.

51061010099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45322 (or 45311 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 32.

The spelling of 51061010099 in words is "fifty-one billion, sixty-one million, ten thousand, ninety-nine".