2154130455501 has 16 divisors (see below), whose sum is σ = 3259204473600. Its totient is φ = 1405531927584.

The previous prime is 2154130455481. The next prime is 2154130455551. The reversal of 2154130455501 is 1055540314512.

2154130455501 is a `hidden beast` number, since 2 + 1 + 54 + 13 + 0 + 45 + 550 + 1 = 666.

It is not a de Polignac number, because 2154130455501 - 2⁶ = 2154130455437 is a prime.

It is a super-2 number, since 2×2154130455501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154130455551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848749896 + ... + 848752433.

It is an arithmetic number, because the mean of its divisors is an integer number (203700279600).

Almost surely, 2^{2154130455501} is an apocalyptic number.

It is an amenable number.

2154130455501 is a deficient number, since it is larger than the sum of its proper divisors (1105074018099).

2154130455501 is a wasteful number, since it uses less digits than its factorization.

2154130455501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697502385 (or 1697502379 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 2154130455501 in words is "two trillion, one hundred fifty-four billion, one hundred thirty million, four hundred fifty-five thousand, five hundred one".