11875980501 has 216 divisors, whose sum is σ = 23420674368. Its totient is φ = 5729472000.

The previous prime is 11875980497. The next prime is 11875980509. The reversal of 11875980501 is 10508957811.

11875980501 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 598 + 0 + 50 + 1 = 666.

It is not a de Polignac number, because 11875980501 - 2² = 11875980497 is a prime.

It is a super-2 number, since 2×11875980501² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11875980509) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 167267296 + ... + 167267366.

It is an arithmetic number, because the mean of its divisors is an integer number (108429048).

Almost surely, 2^11875980501 is an apocalyptic number.

11875980501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11875980501 is a deficient number, since it is larger than the sum of its proper divisors (11544693867).

11875980501 is a wasteful number, since it uses less digits than its factorization.

11875980501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 45.

The spelling of 11875980501 in words is "eleven billion, eight hundred seventy-five million, nine hundred eighty thousand, five hundred one".