61024364261 has 12 divisors (see below), whose sum is σ = 71027440992. Its totient is φ = 52277186808.

The previous prime is 61024364251. The next prime is 61024364273. The reversal of 61024364261 is 16246342016.

It is not a de Polignac number, because 61024364261 - 2⁶ = 61024364197 is a prime.

It is a super-2 number, since 2×61024364261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61024364201) 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, 261875 + ... + 436608.

It is an arithmetic number, because the mean of its divisors is an integer number (5918953416).

Almost surely, 2^61024364261 is an apocalyptic number.

It is an amenable number.

61024364261 is a deficient number, since it is larger than the sum of its proper divisors (10003076731).

61024364261 is a wasteful number, since it uses less digits than its factorization.

61024364261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700280 (or 700273 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 61024364261 in words is "sixty-one billion, twenty-four million, three hundred sixty-four thousand, two hundred sixty-one".