61452803511 has 12 divisors (see below), whose sum is σ = 96834720840. Its totient is φ = 37244123280.

The previous prime is 61452803507. The next prime is 61452803513. The reversal of 61452803511 is 11530825416.

61452803511 is a `hidden beast` number, since 6 + 14 + 52 + 80 + 3 + 511 = 666.

It is not a de Polignac number, because 61452803511 - 2² = 61452803507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61452803513) 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, 310367596 + ... + 310367793.

It is an arithmetic number, because the mean of its divisors is an integer number (8069560070).

Almost surely, 2^61452803511 is an apocalyptic number.

61452803511 is a deficient number, since it is larger than the sum of its proper divisors (35381917329).

61452803511 is a wasteful number, since it uses less digits than its factorization.

61452803511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620735406 (or 620735403 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 61452803511 in words is "sixty-one billion, four hundred fifty-two million, eight hundred three thousand, five hundred eleven".