100902227543551 has 16 divisors (see below), whose sum is σ = 119046480713728. Its totient is φ = 83690843781600.

The previous prime is 100902227543549. The next prime is 100902227543647. The reversal of 100902227543551 is 155345722209001.

It is a cyclic number.

It is not a de Polignac number, because 100902227543551 - 2¹ = 100902227543549 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 (100902227543531) 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, 16389900 + ... + 21689473.

It is an arithmetic number, because the mean of its divisors is an integer number (7440405044608).

Almost surely, 2^{100902227543551} is an apocalyptic number.

100902227543551 is a deficient number, since it is larger than the sum of its proper divisors (18144253170177).

100902227543551 is a wasteful number, since it uses less digits than its factorization.

100902227543551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38091622.

The product of its (nonzero) digits is 756000, while the sum is 46.

It can be divided in two parts, 100902 and 227543551, that added together give a triangular number (227644453 = T₂₁₃₃₇).

The spelling of 100902227543551 in words is "one hundred trillion, nine hundred two billion, two hundred twenty-seven million, five hundred forty-three thousand, five hundred fifty-one".