101542011640 has 16 divisors (see below), whose sum is σ = 228469526280. Its totient is φ = 40616804640.

The previous prime is 101542011617. The next prime is 101542011643. The reversal of 101542011640 is 46110245101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101542011643) 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, 1269275106 + ... + 1269275185.

Almost surely, 2^101542011640 is an apocalyptic number.

101542011640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101542011640 is an abundant number, since it is smaller than the sum of its proper divisors (126927514640).

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

101542011640 is a wasteful number, since it uses less digits than its factorization.

101542011640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538550302 (or 2538550298 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 101542011640 its reverse (46110245101), we get a palindrome (147652256741).

The spelling of 101542011640 in words is "one hundred one billion, five hundred forty-two million, eleven thousand, six hundred forty".