61960111548 has 48 divisors (see below), whose sum is σ = 153208135584. Its totient is φ = 19421931520.

The previous prime is 61960111537. The next prime is 61960111573. The reversal of 61960111548 is 84511106916.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112336 + ... + 369512.

It is an arithmetic number, because the mean of its divisors is an integer number (3191836158).

Almost surely, 2^61960111548 is an apocalyptic number.

61960111548 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61960111548 is an abundant number, since it is smaller than the sum of its proper divisors (91248024036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61960111548 is a wasteful number, since it uses less digits than its factorization.

61960111548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258382 (or 258380 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 61960111548 in words is "sixty-one billion, nine hundred sixty million, one hundred eleven thousand, five hundred forty-eight".