61150651501 has 4 divisors (see below), whose sum is σ = 61252740000. Its totient is φ = 61048563004.

The previous prime is 61150651487. The next prime is 61150651519. The reversal of 61150651501 is 10515605116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61150651501 - 2⁵ = 61150651469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61150651531) 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, 51043351 + ... + 51044548.

It is an arithmetic number, because the mean of its divisors is an integer number (15313185000).

Almost surely, 2^61150651501 is an apocalyptic number.

It is an amenable number.

61150651501 is a deficient number, since it is larger than the sum of its proper divisors (102088499).

61150651501 is a wasteful number, since it uses less digits than its factorization.

61150651501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102088498.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 61150651501 in words is "sixty-one billion, one hundred fifty million, six hundred fifty-one thousand, five hundred one".