61532376755 has 64 divisors (see below), whose sum is σ = 81803520000. Its totient is φ = 44249587200.

The previous prime is 61532376743. The next prime is 61532376803. The reversal of 61532376755 is 55767323516.

It is not a de Polignac number, because 61532376755 - 2²⁴ = 61515599539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58545980 + ... + 58547030.

It is an arithmetic number, because the mean of its divisors is an integer number (1278180000).

Almost surely, 2^61532376755 is an apocalyptic number.

61532376755 is a deficient number, since it is larger than the sum of its proper divisors (20271143245).

61532376755 is a wasteful number, since it uses less digits than its factorization.

61532376755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 3969000, while the sum is 50.

The spelling of 61532376755 in words is "sixty-one billion, five hundred thirty-two million, three hundred seventy-six thousand, seven hundred fifty-five".