61002536051 has 4 divisors (see below), whose sum is σ = 62036477400. Its totient is φ = 59968594704.

The previous prime is 61002536027. The next prime is 61002536059. The reversal of 61002536051 is 15063520016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61002536051 - 2²⁶ = 60935427187 is a prime.

It is a super-3 number, since 3×61002536051³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61002536059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516970586 + ... + 516970703.

It is an arithmetic number, because the mean of its divisors is an integer number (15509119350).

Almost surely, 2^61002536051 is an apocalyptic number.

61002536051 is a deficient number, since it is larger than the sum of its proper divisors (1033941349).

61002536051 is a wasteful number, since it uses less digits than its factorization.

61002536051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033941348.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 61002536051 in words is "sixty-one billion, two million, five hundred thirty-six thousand, fifty-one".