61952412511 has 4 divisors (see below), whose sum is σ = 67584450024. Its totient is φ = 56320375000.

The previous prime is 61952412493. The next prime is 61952412553. The reversal of 61952412511 is 11521425916.

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 61952412511 - 2¹⁵ = 61952379743 is a prime.

It is a super-3 number, since 3×61952412511³ (a number of 33 digits) contains 333 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 (61952412811) 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, 2816018740 + ... + 2816018761.

It is an arithmetic number, because the mean of its divisors is an integer number (16896112506).

Almost surely, 2^61952412511 is an apocalyptic number.

61952412511 is a deficient number, since it is larger than the sum of its proper divisors (5632037513).

61952412511 is a wasteful number, since it uses less digits than its factorization.

61952412511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632037512.

The product of its digits is 21600, while the sum is 37.

The spelling of 61952412511 in words is "sixty-one billion, nine hundred fifty-two million, four hundred twelve thousand, five hundred eleven".