61542267000 has 64 divisors (see below), whose sum is σ = 192011882400. Its totient is φ = 16411270400.

The previous prime is 61542266999. The next prime is 61542267037. The reversal of 61542267000 is 76224516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10254045 + ... + 10260044.

Almost surely, 2^61542267000 is an apocalyptic number.

61542267000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61542267000 is an abundant number, since it is smaller than the sum of its proper divisors (130469615400).

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

61542267000 is a wasteful number, since it uses less digits than its factorization.

61542267000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20514113 (or 20514099 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 61542267000 in words is "sixty-one billion, five hundred forty-two million, two hundred sixty-seven thousand".